This is nonsense. Like people saying oh you can lose weight by being cold or breathing harder/more. Sure there is science behind it but in the end it does not promote maintainable lifestyles. One minute all out may help athletes already in shape push to the next level. Like at the end of my long distance runs, I do a wind-sprint all out. But regular people doing regular exercise benefit much more mentally from learni…
> Intensity training is good for fast-twitch muscle. Endurance training is good for slow-twitch. The two are not interchangeable. [Citation needed]
You think a body builder could ever run a 10K at sub-6 mile pace or a sub-6 runner benchpress what a body builder could?